Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 John Hetzel Stack-On Products 2
2 Darren K. Mulford 1
2 D. Alexis Castro Sbc Properties 1
2 Raymond E. Miller G.D. Searle 1

Part of Illinois